The invention discloses a traffic flow digital twinning method and device based on flow data. A virtual display space is established based on a real road. A real timeline and a virtual timeline are established from the received initial vehicle data. The real time axis is established by taking the real detection time t0 of the initial vehicle data as a starting point; the virtual time axis is established by taking the receiving time T0 for receiving the initial vehicle data as a starting point; the virtual time axis is a time axis of the virtual display space. And according to a difference value between the T0 and the t0, obtaining a time delay deviation delta t between the real time axis and the virtual time axis. And receiving target vehicle data in real time, and displaying the motion track of the target vehicle in the virtual display space according to the target vehicle data received in real time and the time delay deviation delta t. The real-time performance, the accuracy and the stability of the real-time traffic restoration and the visual display of the vehicle track are ensured.

    本发明公开了一种基于流数据的交通流数字孪生方法及装置,通过基于现实道路建立虚拟显示空间。根据接收的初始车辆数据建立现实时间轴和虚拟时间轴。现实时间轴是以初始车辆数据的现实检测时间t0为起点建立的;虚拟时间轴是以接收初始车辆数据的接收时间T0为起点建立的;虚拟时间轴是虚拟显示空间的时间轴。根据T0和t0之间的差值,得到现实时间轴和虚拟时间轴之间的时延偏差Δt。实时接收目标车辆数据,根据实时接收的目标车辆数据和时延偏差Δt,在虚拟显示空间中显示目标车辆的运动轨迹。保证了实时交通的还原与车辆轨迹的可视化显示的实时性、准确性以及稳定性。


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    Title :

    Traffic flow digital twinning method and device based on flow data


    Additional title:

    一种基于流数据的交通流数字孪生方法及装置


    Contributors:
    REN XIAOJIANG (author) / ZHAO QIYU (author) / HE WEIZHI (author) / ZHANG WEIPENG (author) / MAO GUOQIANG (author)

    Publication date :

    2024-05-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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